US2907741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions of novel polyhydric phenols and polyepoxides
Assignee: SC Johnson and Son Inc
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Filing: 1957-03-29
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Granted: 1959-10-06
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Expires: 1977-03-29
Abstract
No abstract record available.
Inventors
- 👤 Sylvan O Greenlee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:54
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/62; C08G59/625
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A NEW COMPOSITION OF MATTER COMPRISING THE CONDENSATION PRODUCT OBTAINED BY HEATING (1) A POLYHYDRIC PHENOL, SAID POLYHYDRIC PHENOL BEING THE CONDENSATION PRODUCT OF PENTANOIC ACID CONSISTING ESSENTIALLY OF 4,4 BIS(4-HYDROXYARYL)PENTANOIC ACID WHEREIN THE HYDROXYARYL RADICAL IS A HYDROXYPHENYL RADICAL AND IS FREE FROM SUBSTITUENTS OTHER THAN ALKYL GROUPS OF FROM 1-5 CARBON ATOMS AND AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF A POLYHYDRIC ALCOHOL AND POLYAMINE, SAID POLYAMINE CONTAINING AT LEAST ONE AMINO HYDROGEN ATOM IN EACH AMINE GROUP AND BEING FREE FROM INTERFERING SUBSTITUENTS AND (2) A POLYEPOXIDE CONTAINING AN AVERAGE OF MORE THAN ONE OXIRANE GROUP PER MOLECULE, WHEREIN SAID POLYEPOXIDE IS COMPOSED OF THE ELEMENTS CARBON, HYDROGEN, AND OXYGEN, AND HAVING OXYGEN PRESENT ONLY IN THE GROUPS SELECTED FROM THE GROUP AND OXIRANE GROUPS, WHEREIN -COO-, ETHEREAL OXYGEN AND OXIRANE GROUPS, WHEREIN THE PROPORTION OF (1) TO (2) ARE FROM 1:6 TO 6:1 ON AN EQUIVALENT WEIGHT BASIS.
Claim 2
Dependent Claim
154 words
A NEW COMPOSITION OF MATTER COMPRISING THE CONDENSATION PRODUCT OBTAINED BY HEATING (1) A POLYHYDRIC PHENOL, SAID POLYHYDRIC PHENOL BEING THE CONDENSATION PRODUCT OF PENTANOIC ACID CONSISTING ESSENTIALLY OF 4,4 BIS(4-HYDROXYARYL)PENTANOIC ACID WHEREIN THE HYDROXYARYL RADICAL IS A HYDROXYPHENYL RADICAL AND IS FREE FROM SUBSTITUENTS OTHER THAN ALKYL GROUPS OF FROM 1-5 CARBON ATOMS AND AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF A POLYHYDRIC ALCOHOL AND POLYAMINE, SAID POLYAMINE CONTAINING AT LEAST ONE AMINO HYDROGEN ATOM IN EACH AMINE GROUP AND BEING FREE FROM INTERFERING SUBSTITUENTS AND (2) A POLYEPOXIDE CONTAINING AN AVERAGE OF MORE THAN ONE OXIRANE GROUP PER MOLECULE, WHEREIN SAID POLYEPOXIDE IS COMPOSED OF THE ELEMENTS CARBON, HYDROGEN, AND OXYGEN, AND HAVING OXYGEN PRESENT ONLY IN THE GROUPS SELECTED FROM THE GROUP AND OXIRANE GROUPS, WHEREIN -COO-, ETHEREAL OXYGEN AND OXIRANE GROUPS, WHEREIN THE PROPORTION OF (1) TO (2) ARE FROM 1:6 TO 6:1 ON AN EQUIVALENT WEIGHT BASIS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |